o-Toluic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 118-90-1

2,3,5,6-Tetramethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 1124-11-4

Perfluorohexanesulfonic acid; PFHxS, 95%, 250mg

Chromium (Cr)